Polar_diagram_of_coefficients_of_lift_and_drag_for_angles_of_attack.png


Summary

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English: Polar diagram of coefficients of lift ( C L ) and drag ( C D ) for the angles of attack shown for a hypothetical sail. The dotted line is tangential with the point of highest ratio of lift over drag ( C L / C D ). Also shown is flow status, ranging from attached to stalled.
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Author HopsonRoad

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4 April 2015